Investing and trading different, both can be done simultaneously and you no go get any challenge. Investing no get much work as all you do after you dun see coin wey you wan like na to buy and hodl am. You no need to they monitor the market or do anything active but just wait until time dun reach wey be say you dun get get better profits and you sell or you wait until they time wey you give yourself to hodl dun reach and you sell. Trading na say you need dey active for the market and they buy and sell almost daily so doing the two no get problem. If you plan yourself well you can multitask on various profit generating activity and come out successful. People dey wey dey run am so e no dey impossible to achieve.
You're right, investing and trading are two different sources of income just as you made it clear. In the crypto investment, it actually doesn't require personal skills such as it's in trading of striving and strategizing on how to attract profits accountabilities either by predicting the market lines and you must be ensured of being on the right track else you may be indicted to lost of funds accounts.
In bitcoin or other crypto investment, you're only required to discover a desired Coin study about the potentials and then Invest your money and give it time while it generates you income without personal energies or aids required.